in case of semiconductor which of the following statement is wrong? 1.doping increases conductivity 2.temperature coefficient of resistance is negative
3.resistivity is in between a conductor and an insulator
4.At 0K it behaves like a conductor
(please explaine it because i know the answer but i can't understand )
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At 0K semiconductors behave like insulator.Because at 0K there are no free electrons to conduct elecricity(the electrons gets bounded).
SO OPTION 4)IS INCORRECT.
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